请输入您要查询的英文单词:
单词
ppb
释义
ppb
1.
(in publishing) paper, printing, and binding.
2.
parts per billion.
Also,
p.p.b.
随便看
sperm oil
spermophile
spermophyte
spermotoxic
spermotoxin
spermous
-spermous
sperm whale
Sperry
sperrylite
spessartite
spew
Speyer
Spezia
SPF
sp. gr.
sphaeristerium
sphaero-
sphagnous
sphagnum
sphalerite
S phase
sphecid
sphen-
sphene
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更新时间:2026/2/5 15:26:51